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- Corrosion-resistant alloys and steels
- Corrosion-resistant heat-resistant steel
EI283 (20H25N20S2)
Classification
Chemical composition
Standard | Fe, % | Si, % | Mn, % | Cr, % | Ti, % | Ni, % | V, % | P, % | C, % | S, % | Mo, % | W, % |
---|---|---|---|---|---|---|---|---|---|---|---|---|
GOST 5632-14 | 46.345–56 | 2–3 | < 1.5 | 24–27 | < 0.2 | 18–21 | < 0.2 | < 0.035 | < 0.2 | < 0.02 | < 0.3 | < 0.2 |
Information on suppliers
Properties
Property |
---|
Performance Note Note prone to embrittlement at 600-800 ° C |
Performance data Application temperature: <1050 ° C Scaling temperature: 1100 ° C |
According to GOST 5949 Note. The norms of mechanical properties apply to samples taken from steel with a diameter or thickness of up to 60 mm. |
For steel with a diameter or thickness of st. 60 to 100mm reduction of elongation by 1abs.% Is allowed |
relative narrowing by 5abs.% and impact strength by 4.9 J / cm2 at a rate of less than 78.4 J / cm2 and by 9.8 J / cm2 at a rate of 78.4 J / cm2 or more. |
For steel with a diameter or thickness of st. 100 to 150mm, a reduction in elongation of 3abs.% Is allowed, |
a relative narrowing of 10 abs.% and impact strength of 9.8 J / cm2 at a rate of less than 78.4 J / cm2 and at 14.7 J / cm2 at a rate of 78.4 J / cm2 or more. |
Quenching 1100 - 1150 ° С, cooling in air or in water |
According to GOST 5949 Yield strength:> 295 MPa Tensile strength:> 590 MPa Elongation:> 35% Elongation:> 50% |
According to GOST 5949 As agreed M1 (tests at elevated temperature) Note By agreement |
Calculated Properties Density: 7.76 g / cm3 |
Note Heat Resistant Steel Austenitic Steel |
Analogues
Standards
Standard | Description |
---|---|
GOST 5632-72 | |
GOST 5632-14 | |
GOST 5949-18 |